Finding the Fourth Proportional to 31,607.44, 47,413.89 and 8,233.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,607.44 : 47,413.89 = 8,233.88 : x
2. Step 2: Convert to fraction form
   31,607.44/47,413.89 = 8,233.88/x
3. Step 3: Cross multiply
   31,607.44x = 47,413.89 × 8,233.88
4. Step 4: Simplify right side
   31,607.44x = 390,400,043.52
5. Step 5: Solve for x
   x = 390,400,043.52/31,607.44
6. Step 6: Final answer
   x = 12,351.52